Articles tagged with Lysine
The study reveals that enzymes KDM1A and KDM5C collaborate to prevent neurons from activating inappropriate genes, ensuring their proper function. This discovery opens new avenues to understand the origin of neurological disorders associated with intellectual disability.
A New Zealand study found that three-quarters of long-term vegans met daily total protein requirements, but only half met daily lysine and leucine requirements. Legumes and pulses were key contributors to overall protein and lysine intake.
A new UC Davis Health study has uncovered the mechanisms by which Salmonella bacteria evade the body's natural defenses in the gut. The research found that Salmonella alters the gut's nutrient environment to fuel its replication in the large intestine, creating an imbalance that helps the pathogen survive. This new understanding could ...
Researchers at Kyoto University developed a new reactant demonstrating efficacy on proteins with drug-resistant mutations. The new inhibitor, ArNASA, reacts with lysine residues and is highly stable in physiological environments.
A study by Michigan Medicine researchers reveals that modifications to amino acids in sperm may be linked to infertility. The team analyzed the molecular sequence composition of protamines, finding non-arginine amino acids with unexpected post-translational modifications that affect sperm shape and function.
Researchers from Northwestern University discuss the multifaceted tumorigenic functions of EZH2, including its role in regulating translation and coactivating transcription. This new understanding may provide novel insights into advancing EZH2-targeting strategies for prostate cancer patients.
A University of Illinois study shows rumen-protected lysine can improve uterine health in dairy cows during the transition period. The supplement reduced genes involved in inflammatory proteins and increased genes keeping the uterus clean, leading to less inflammation and improved reproductive outcomes.
Researchers found global redistribution of histone H3 modifications with time, particularly in intergenic regions and near transcription start sites. Caloric restriction diet feeding reduced the extent of changes occurring during the first year of life in these genomic regions.
Researchers at Osaka University have identified a protein called Rad8 as a key player in chromosomal rearrangements, which can lead to cell death and diseases like cancer. The study suggests that inhibiting the attachment of ubiquitin to PCNA at a specific amino acid position may be a promising new strategy for cancer therapies.
Research from University of Johannesburg uncovers essential amino acids in wild African fruits. The study reveals several species exceed daily nutritional values recommended by WHO. The white olive and jacket plum are good candidates to boost immune function against viruses due to high lysine content.
Researchers at CUNY's ASRC discovered that amino acids arginine and lysine regulate liquid-liquid phase separation, creating multi-phase droplets with unique properties. The study provides insights into cellular dysfunction and disease mechanisms, paving the way for potential therapies.
A single protein, MARCH8, uses multiple strategies to defend cells against viral infection, including tagging the vesicular stomatitis virus for destruction and holding HIV hostage. This discovery could improve understanding of how HIV overcomes human immune defense.
New research identifies NMT1 and NMT2 enzymes as regulators of the ARF6 GTPase cycle, allowing scientists to control cell signaling and potentially treat diseases such as cancer and viral infections.
Researchers discovered a new mechanism by which microorganisms protect themselves against highly reactive molecules known as free radicals. By accumulating lysine and altering their metabolism, yeast cells can produce antioxidant glutathione, increasing their resistance to cell damage.
Researchers found that amino acids linked up spontaneously into neat segments under conditions mimicking pre-life Earth. The preference for biological amino acids over non-biological counterparts suggests that early life may have selected a subset of building blocks based on their chemical properties.
Scientists at the University of Konstanz have gained a fundamental understanding of lysine degradation in bacteria, revealing a previously unknown pathway that generates energy. The discovery also highlights the compound hydroxyglutarate as an oncometabolite with potential links to cancer and neurological disorders.
A new biochemical platform has been developed to map the activity of lysine methyltransferases, a family of enzymes promising targets for cancer treatment. The platform enables high-resolution views of how these enzymes selectively mark proteins with chemical tags, leading to potential new therapeutic targets.
Researchers at Osaka University and The University of Tokyo describe the unique binding of RNF168 to lysine 63 chains, which is stabilized by hydrogen bonds and hydrophobic interactions. This study provides insights into the molecular interactions that assure the recruitment of DNA repair proteins.
A study published in Nature Structural & Molecular Biology reveals the mechanism by which PHF1 increases PRC2 activity, allowing for efficient gene regulation across different species. The findings suggest that stable PRC2 chromatin interactions mediated by PHF1 are key to increased lysine trimethylation and gene repression.
Researchers identified a gene mutation increasing superoxide production, which damages DNA and cellular components. The study also shows the importance of understanding living systems and developing therapies for patients with related gene mutations.
Researchers at UC Santa Barbara improve a small molecule called siderophore cyclic trichrysobactin (CTC) to create an adhesive that sticks well in aqueous environments. The discovery reveals the importance of lysine and catechol in creating a favorable environment for adhesion.
Researchers have identified widespread regulation of proteins involved in metabolism by the mitochondrial sirtuin, SIRT5. This study found that SIRT5 selectively removes specific sites of succinyl modifications in over 140 different proteins, leading to disruptions in metabolic pathways.
Researchers at Scripps Research Institute have discovered a new type of chemical modification that affects proteins involved in glucose metabolism, potentially playing a role in cancer and diabetes. The modification acts as a regulator of cellular processes, including the production of glucose.
Heat damage in DDGS compromises nutritional value, but researchers predict digestibility using lysine estimates. The study found that analyzing lysine or furosine concentrations improves prediction accuracy.
Researchers discovered that fruit flies can develop and be fertile in the absence of histone H3.3, challenging established models of gene regulation. Additionally, they found that histone modification is not essential for activating genes, but rather plays a role in regulating their expression.
Researchers from the University of North Carolina School have established a connection between histone H3 lysine 9 methylation and DNA methylation, implicating protein UHRF1 in their maintenance. This finding may provide clues to the underlying causes of disease and cancer.
Mayo Clinic researchers have gained insights into the function of a histone chaperone called Rtt106 using NMR spectroscopy and X-ray crystallography. The study reveals two novel domains in Rtt106 that enable it to interact with modified histones, promoting proper chromatin assembly and disassembly.
Researchers at the University of Notre Dame have identified a critical mechanism in methicillin-resistant Staphylococcus aureus (MRSA) resistance to beta-lactam antibiotics. The 'lysine N-decarboxylation switch' process, facilitated by protein BlaR1, enables MRSA to conserve resources until it detects an antibiotic threat.
Researchers have deciphered the structure of an essential enzyme in photosynthetic organisms, a target for algaecide development. This discovery could lead to the creation of compounds that block the enzyme's function, inhibiting algae growth without harming other plant life.
A pilot study found that L-lysine reduced severity of symptoms and improved functional ability in eight out of ten patients with schizophrenia. The treatment showed a general trend for improvement due to treatment with lysine, but results were confounded by the beneficial effect of lysine continuing after treatment stopped.
Researchers at Ohio State University used mass spectrometry to discover that pyrrolysine is produced through a simple series of chemical reactions involving two lysine molecules. The finding provides a more complete understanding of how amino acids are made and offers new insights into the biosynthesis pathway.
Researchers have made significant progress in understanding the mechanisms underlying injury and age-dependent susceptibility to glutaric acidemia type I. By using a mouse model of the disease, scientists discovered that limiting lysine uptake can substantially decrease brain damage caused by exposure to the amino acid.
New research on glutaric acidemia type I reveals that young mice are more susceptible to brain damage due to lysine uptake, which can be mitigated with a novel treatment strategy. Mast cells play a role in abdominal aortic aneurysm development, and blocking LAG-3 might enhance cancer vaccine effectiveness.
A new study reveals that arthropod mitochondrial genomes exhibit nonstandard codes, including AGG translating to both serine and lysine. The research suggests that these changes may have occurred due to pairing disadvantages, potentially leading to the evolution of multiple alternative codes.
Researchers at UNC have identified a protein that directly regulates lysine methylation on core histone protein H3, leading to gene repression. This discovery sheds light on the mechanisms of epigenetic signals and their role in regulating gene expression.
Researchers have identified G9a as a chromatin-modifying enzyme essential for normal development. Studies show that G9a deficiency leads to severe developmental growth retardation and increased programmed cell death, highlighting the enzyme's critical role in regulating gene expression during embryogenesis.
A new enzyme called Set2 has been discovered, which regulates gene expression by methylating histone protein H3. This process can help turn genes off, potentially offering a new approach to treating human diseases such as cancer.
Researchers have identified a critical protein, SET7, that regulates gene expression by modifying histone H3. This discovery may lead to new treatments for diseases and provide insights into using stem cells to generate organs. The study reveals that SET7 makes chromatin structure more open, allowing other proteins to access genes.